QuestenaՎարժանք, որը ցույց է տալիս՝ ինչ կրկնել հաջորդիվ
Հարց 64

A student labels an ammonia model NH4 and says it contains four hydrogen atoms. Which correction gives the standard molecule?

  1. NO3, with three oxygen atoms
  2. NH3, with three hydrogen atomsՃիշտ պատասխան
  3. N3H, with three nitrogen atoms
  4. NH4, with four hydrogen atoms

Բացատրություն

An ammonia molecule contains one nitrogen atom and three hydrogen atoms, which is written NH3. NH4 adds a fourth hydrogen and does not represent neutral ammonia as stated in the question.

Շարունակեք այս թեստով

Սկսել վարժանքը
Հարց 64: A student labels an ammonia model NH4 and says it contains… · The Periodic Table and Elements · Questena